Update light_node.cpp
Update light_node.cpp

Issue #1361 - Add support for ZHA On/Off light switch device type / Sinope smart light switch 1800 W – SW2500ZB
dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin